At a glance
- Latest version
- v2.3 (23)
- Updated
- Jun 19, 2026 (4 months ago)
- APK size
- 4.9 MB
- Requires
- Android 4.1+ (API 16)
- CPU support
- Any (no native code)
- Category
- Puzzle (game)
- Listed since
- Mar 28, 2021 (at least)
- Permissions
- 6 (2 sensitive)
- Website
- westriversw.com
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Challenging Timestable is a game by WestRiver in the Puzzle category, listed since at least March 2021. It has no native code, so it runs on any Android processor.
It asks for 6 permissions, 2 of them sensitive: read shared storage and modify shared storage.
What's new in v2.3
Description
From the listing uploaded by “appupdater”.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Jun 19, 2026.
- Certificate issued to “WestRiver” This is the certificate of the Google Play version.
Store checks and file details
- Developer signature verified Jun 19, 2026
- Validated against Google Play Jun 19, 2026
- Signed byCN=WestRiver, OU=1, O=WestRiver, L=Seoul, ST=Seoul, C=KR
- Signing certificate (SHA-1)AF:D4:B4:FA:C0:73:92:1C:13:E5:67:80:FB:BA:EF:AC:ED:F7:FB:3B
- File MD55245dfeeba33f702c5f310b49fb68221
- Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020
Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (6)
Challenging Timestable requests 6 permissions, 2 of them sensitive.
- Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
- Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
- Control vibration android.permission.VIBRATE
- Full network access android.permission.INTERNET
- Prevent the device from sleeping android.permission.WAKE_LOCK
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
- Portrait screen android.hardware.screen.portrait
Challenging Timestable APK: questions and answers
Can I install this APK over the version I already have?
Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.
Is the Challenging Timestable APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. After downloading, check that the file's MD5 is 5245dfeeba33f702c5f310b49fb68221.
